> Either we both are wrong, or we both are right [...] You said: "pay 1% of list price in taxes". They said: "pay taxes on 1% of list price". There's a differ

> Either we both are wrong, or we both are right [...] You said: "pay 1% of list price in taxes". They said: "pay taxes on 1% of list price". There's a difference. For example, given a 50k€ car and 35% marginal income tax rate, your version would result in 500€ additional income tax per month, while their version would result in 500€ * 35% = 175€ additional income tax.